How to Build a Reinforced Besser Block Retaining Wall
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Reinforced Besser Block Retaining and Basement Walls consist of a reinforced concrete base which anchors the wall against overturning and sliding, and a stem of Besser blocks. The stem is reinforced with steel bars placed vertically and horizontally, and all cores in the blocks are filled with semi-fluid concrete, known as ‘grout’. The vertical reinforcing bars in the cores are lapped with shorter ‘starter bars’ embedded firmly in the reinforced concrete base using a hob to correctly locate the bars. These short bars allow easier blocklaying, and the longer bars are put in after all blocks are laid and before grouting. The length of the lap is critically important and must be shown on the drawings
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Fiber Reinforced Polymer (FRP) Composites for Infrastructure Applications: Focusing on Innovation, Technology Implementation and Sustainability
Author: Ravi Jain, Luke Lee | Size: 9.3 MB | Format:PDF | Quality:Unspecified | Publisher: Springer | Year: 2012 | pages: 286 | ISBN: 9400723563
This book examines current issues of fiber reinforced polymer (FRP) composites in civil infrastructure. The contents of this book are divided into two parts. The first part engages topics related to durability and service life of FRP composites and how they contribute to sustainability. The second part highlights implementation and applications of the FRP composites with an emphasis on bridge structures. An introductory chapter provides an overview of FRP composites and its role in a sustainable built environment highlighting the issues of durability and service life followed by a current review of sustainability in infrastructure design.
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Design of Concrete Buildings for Earthquake and Wind Forces - According to the 1997 UBC
Author: David Anthony Fanella; Javeed A Munshi | Size: 11 MB | Format:PDF | Quality:Scanner | Publisher: Portland Cement Association | Year: 1998 | pages: 185 | ISBN: 0893121959
From the Preface: "...Special emphasis is given to the detailing requirements for a variety of structural componenets in regions of low, moderate, and high seismic risk. The detailed design of three reinforced concrete buildings in high seismic zones utilizing the various structural systems recognized in the 1997 UBC is illustrated. All three buildings are analyzed and designed for the combined effects of gravity, seismic, and wind loads...."
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his report addresses a number of topics related to thin polymer overlays (TPOs). Those topics include previous research, specifications, and procedures on TPOs; performance of TPOs based on field applications; the primary factors that influence TPO performance; current construction guidelines for TPOs related to surface preparation, mixing and placement, consolidation, finishing, and curing; repair procedures; factors that influence the performance of overlays, including life-cycle cost, benefits and costs, bridge deck condition, service life extension, and performance; and successes and failures of TPOs, including reasons for both.
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Fracture mechanics is a vast and growing field. This book develops the basic elements needed for both fracture research and engineering practice. The emphasis is on continuum mechanics models for energy flows and crack-tip stress- and deformation fields in elastic and elastic-plastic materials. In addition to a brief discussion of computational fracture methods, the text includes practical sections on fracture criteria, fracture toughness testing, and methods for measuring stress intensity factors and energy release rates. Class-tested at Cornell, this book is designed for students, researchers and practitioners interested in understanding and contributing to a diverse and vital field of knowledge.
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dear friends, i found this book on a popular social publishing website. I downloaded it but it took very long time. I tried to upload in my free 4shared a/c but as my internet connection is slow hence i am just providing same link as i got from google. hope other users can do this for us.
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you need to have account on this site and it may ask for upload of one of your own document. just upload any word, xls or pdf file just any thing and you get a pass for download for 24 hours.
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